As covered in Part 1, the NEC mostly guides general electrical installations. However, it also includes specific requirements for individual rooms. Part 2 will discuss Hallways, Closets, Kitchens, and Laundry Rooms.
For long hallways that can be escape routes, you need to ensure sufficient ceiling lighting. Hallways over 10 feet in length require a general purpose outlet. To turn off the overhead lights, you need three-way switches at both ends of a hallway. In addition, a 4-way switch must be installed next to the doorway of every room.
Every incandescent light bulb fixture must have a globe or other enclosure because of their high temperatures. They are required to be installed one feet or more away from a clothing storage area. This requirement may be decreased to 6 inches for fixtures with CFL (compact fluorescent) light bulbs and recessed fixtures.
Using the most electricity in the home, a typical new kitchen with modern appliances will require at least seven circuits. Lighting must have a dedicated circuit of 15 amps minimum. In addition, there should be at least two 20-amp 120 volt circuits for countertop receptacles powering small appliances. A dedicated 120/240-volt circuit will be needed for an oven-electric range.
A dedicated 120-volt circuit will be needed for each garbage disposal, dishwasher, microwave, and refrigerator unit. As determined by the appliance’s electrical load, this circuit may be 15-amp or 20-amp.
If located within six feet of a sink, a receptacle will need GFCI protection. Moreover, countertop receptacles must be located a maximum of 48 inches apart. Finally, there should be a maximum distance of 24 inches from a receptacle to every point on a countertop.
The primary electrical requirements of a laundry room will be determined by whether the clothes dryer is electric or gas powered. At least one dedicated 20-amp circuit is needed for a receptacle powering laundry equipment, which can be used for a washing machine or a gas dryer. In contrast, an electric dryer must have a dedicated 240-volt circuit of 30 amps wired with four conductors. In addition, each laundry room receptacle requires GFCI protection.
Part 3 will cover Bedrooms, Living Rooms & Dining Rooms, Garages, AFCI, and Tamper Resistant.
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